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From
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Geolocation
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Author - title
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Year
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details | Westphalian B | Westphalian D | Kentucky | Bharadwaj,D.C. Sporological evidence on the boundaries of the stratigraphical subdivisions in the Upper Pennsylvanian strata of Euope and North America. | 1960 |
details | Westphalian B | Westphalian C | Kentucky | Bharadwaj,D.C. Sporological evidence on the boundaries of the stratigraphical subdivisions in the Upper Pennsylvanian strata of Euope and North America. | 1960 |